@article{DE_1987_23_8_a22,
     author = {V. \`E. Zhavnerchik},
     title = {Stability of motion in a critical case},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1458--1461},
     publisher = {mathdoc},
     volume = {23},
     number = {8},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_8_a22/}
}